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    Jude Rice's Avatar
    Jude Rice Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 7, 2012, 11:46 AM
    What happens if a drain pipe has too much slope?
    How to check if a three inch drain pipe has enough slope to prevent pooling?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Jun 7, 2012, 12:00 PM
    Quote Originally Posted by Jude Rice View Post
    How to check if a three inch drain pipe has enough slope to prevent pooling?
    A 3"" drain requires 1/4" slope to the foot. Not enough slope and you will have poor drainage and backups. Too much slope and the water drains so fast it leaves solids behind. Did that answer your question? Cheers, Tom
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